Spectral characterization of arid rangelands in the high atlas mountains,Morocco |
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| Institution: | 1. US Department of Agriculture (USDA) Northern Plains Climate Hub, Fort Collins, CO 80526, USA;2. USDA-Agricultural Research Service (ARS) Plains Area Rangeland Resources and Systems Research Unit, Cheyenne, WY 82001, USA;3. Department of Forest and Rangeland Stewardship, Colorado State University, Fort Collins, CO 80523-1472, USA;4. Department of Ecosystem Science and Management, Texas A&M University, College Station, TX 77843-2120, USA;5. USDA-ARS Plains Area Rangeland Resources and Systems Research Unit, Fort Collins, CO 80526, USA;1. Department of Agronomy and Horticulture, University of Nebraska–Lincoln, Lincoln, NE 68588, USA;2. Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK 74078, USA;3. School of Natural Resources, University of Nebraska–Lincoln, Lincoln, NE 68588, USA;4. W. A. Franke College of Forestry and Conservation, University of Montana, Missoula, MT 59812 USA;5. Numerical Terradynamic Simulation Group, University of Montana, Missoula, MT 59812, USA |
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| Abstract: | Considering an arid area in the High Atlas mountains of Morocco, the assessment of vegetation cover is carried out from ground spectral measurements and analysis of satellite imagery. Ground measurements have been made with SPOT simulation radiometer; results are related to reflectance-vegetation coverage relationships and to spectral responses obtained at a local level (120m transects). Analysis of Thematic Mapper and SPOT data includes visual interpretation of color composite imagery for geomorphological units delineation, principal component analysis and examination of bispectral scatter plots. |
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